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The European nightcrawler (Dendrobaena hortensis) is a medium-small earthworm averaging about 1.5 g when fully grown. Generally blueish, pink-grey in color with a banded or striped appearance, the tips of their tails are often cream or pale yellow. When the species has not been feeding, it is pale pink.
Eudrilus eugeniae, also called the "African nightcrawler", is an earthworm species native to tropical west Africa and now widespread in warm regions under vermicompost; it is an excellent source of protein and has great pharmaceutical potential.
In Britain, it is primarily called the common earthworm or lob worm (though the name is also applied to a marine polychaete). In North America , the term nightcrawler (or vitalis ) is also used, and more specifically Canadian nightcrawler , referring to the fact that the large majority of these worms sold commercially (usually as fishing bait ...
Lumbricus terrestris has several common names, including common earthworm, nightcrawler, and dew worm. It is strongly pigmented, brown-red dorsally, and yellowish ventrally. Setae are widely paired at both ends of the body.
Seasonal and environmental factors (such as temperature) and variable influent volumes can cause buildup of solid waste as a pile. Although oxygen is excluded from the centre of this "wet" compost pile, worms work from the outside in and introduce air as necessary into the pile to meet their nutritional requirements.
The Eudrilidae are a family of earthworms, mostly of Africa.One species, Eudrilus eugeniae (Kinberg, 1867), is widely distributed around the warmer parts of the world and historically cultured as the "African nightcrawler".
The worms require loose soil to burrow in and soil moist enough for gas exchange. [3] Further requirements include such abiotic factors as pH and temperature. Various abiotic factors are significant to Lumbricus rubellus. pH is of particular importance; a range of 5.5 to 8.7 is acceptable with a preference for neutral soils. [4]
Di Long or Dilong extract (Chinese: 地龍散; pinyin: dìlóngsàn; Wade–Giles: ti-lung san; lit. 'earth-dragon/-worm powder') is a medicinal preparation based on abdominal extracts from the earthworm species Lumbricus rubellus used in traditional Chinese medicine (TCM) for a wide variety of disorders, from convulsions and fevers to rheumatoid arthritis and blood stasis syndromes.